A middle school second year who belongs to Star Harmony Academy's normal division. She's good at making friends, and her goal is to make a million of them. Lively and positive, Aine has a kind heart that takes into account other people's feelings. She is from a large family, and they own the "Penguin Cafe" supported by their neighbors. Aine herself enjoys helping around the house. While a very ordinary girl, her encounter with Mio triggers an interest in idol activities. She serves as the muse of her own brand, Sugar Melody.

(Source: Wikipedia)

"Let's go, together! Head for the goal, Diamond Friends!!" 

The new anime will have a theme of "Aikatsu with your friends!" and will center on a new protagonist named Aine Yuuki, who is good at making friends, and is enrolled in Star Harmony Academy's general education track. She befriends Mio Minato, the school's top idol, and becomes an idol herself. 

(Source: Anime News Network)

Two years after the Diamond Friends competition, Aine Yuuki, now is in high school, have a unexpected encounter with the mysterious idol Hibiki Tenshou who wears the shining Jeweling Dress.

Raki Kiseki is a second-year middle school student who transfers to Star Harmony Academy to become an idol. However, when she uses an Aikatsu Pass she received from her big sister (an Aikatsu engineer), something mysterious happens. Lots of doors appeared before her, and when she opens them, she meets Aikatsu idols she never knew before, such as Yume Nijino. Raki vows to design her own premium dress and perform in it on stage. (Source: Anime News Network)

"Dream School Grand Prix" to decide the No.1 idol school among five schools representing the Aikatsu world will be held! In this competition where top idols representing each school compete on stage, Dream Academy's new idol Noel Otoshiro is selected as one of them?! For each idol's dream, a new story starts running into the shining future! (Source: Crunchyroll)